#!/bin/sh

HASH=sha512
CIPHER=serpent
KEYSIZE=32
NAME=hda2
DEVICE=/dev/$NAME

getkey() {
	hashalot -x -n $KEYSIZE $HASH 2> /dev/null
}

mktable() {
	BDEVSIZE="`blockdev --getsize $DEVICE 2> /dev/null`"
	KEY="`getkey`"
	echo 0 $BDEVSIZE crypt $CIPHER-plain $KEY 0 $DEVICE 0
}

setup() {
	echo -n "Enter password: "
	mktable | dmsetup create $NAME
}

remove() {
	dmsetup remove $NAME
}

mount -o remount,rw /
mount -t proc none proc
mkdir /newroot

echo
echo
echo

setup

echo
echo
echo "You'll now get a shell so you can do e2fsck /dev/mapper/$NAME"
echo
echo

/bin/sh

mount /dev/mapper/$NAME /newroot
mkdir -p /newroot/tmp/initrd
umount /proc
cd /newroot
pivot_root . tmp/initrd

exec < dev/console >dev/console 2>&1
exec chroot . /bin/sh << EOF
 	/bin/umount /tmp/initrd || echo "*: Failed to unmount the initrd!"
	/sbin/blockdev --flushbufs /dev/ram0 >/dev/null 2>&1
 	exec /sbin/init
EOF